On the junction of the Atlantic and Pacific oceans, and the practicability of a ship canal, without locks, by the valley of the Atrato [microform] /
Kelley, Frederick M.
Manby, Charles,1804-1884.
London : Printed by W. Clowes and sons,
1856.
Sabin 37257.
Sabin Group 98.
Microfiche.